/* Transakcje */

UPDATE checking
   SET Balance = Balance-10000
   WHERE Account = 'Kowalski'
UPTDATE savings
   SET Balance = Balance + 10000
   WHERE Account = 'Kowalski'


/* Fantomy */

UPDATE Employees --Przykad bdny
SET HourlyRate = 6.75
WHERE HourlyRate < 6.75
ALTER TABLE Employees
   ADD CONSTRAINT ckWage CHECK (HourlyRate >= 6.75)
GO


